21099844729716736

Names of 21099844729716736

• Cardinal: 21099844729716736 can be written as Twenty-one quadrillion, ninety-nine trillion, eight hundred forty-four billion, seven hundred twenty-nine million, seven hundred sixteen thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 2.1099844729716736 × 10¹⁶

Factors of 21099844729716736

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 30710

Divisors of 21099844729716736

• Number of divisors d(n): 135
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 256 296 512 592 1024 1184 1369 2048 2368 2738 4096 4736 5476 8192 9472 10952 16384 18944 21904 30671 37888 43808 61342 75776 87616 122684 151552 175232 245368 303104 350464 490736 606208 700928 981472 1134827 1401856 1962944 2269654 2803712 3925888 4539308 5607424 7851776 9078616 11214848 15703552 18157232 22429696 31407104 36314464 41988599 62814208 72628928 83977198 125628416 145257856 167954396 251256832 290515712 335908792 502513664 581031424 671817584 940710241 1162062848 1343635168 1881420482 2324125696 2687270336 3762840964 4648251392 5374540672 7525681928 9296502784 10749081344 15051363856 18593005568 21498162688 30102727712 34806278917 42996325376 60205455424 69612557834 85992650752 120410910848 139225115668 171985301504 240821821696 278450231336 343970603008 481643643392 556900462672 687941206016 963287286784 1113800925344 1287832319929 1926574573568 2227601850688 2575664639858 3853149147136 4455203701376 5151329279716 7706298294272 8910407402752 10302658559432 15412596588544 17820814805504 20605317118864 35641629611008 41210634237728 71283259222016 82421268475456 142566518444032 164842536950912 285133036888064 329685073901824 570266073776128 659370147803648 1318740295607296 2637480591214592 5274961182429184 10549922364858368 21099844729716736
• Sum of all divisors σ(n): 43371137297253297
• Sum of proper divisors (its aliquot sum) s(n): 22271292567536561
• 21099844729716736 is an abundant number, because the sum of its proper divisors (22271292567536561) is greater than itself. Its abundance is 1171447837819825

Bases of 21099844729716736

• Binary: 1001010111101100011001001101101111011100100000000000000₂
• Hexadecimal: 0x4AF6326DEE4000
• Base-36: 5RR9QUQ85J4

Squares and roots of 21099844729716736

• 21099844729716736 squared (21099844729716736²) is 445203447618155120064882798493696
• 21099844729716736 cubed (21099844729716736³) is 9393723617877651253037425481934804522789561696256
• 21099844729716736 is a perfect square number. Its square root is 145257856
• The cube root of 21099844729716736 is 276328.9710073255

Scales and comparisons

• 21,099,844,729,716,736 seconds is equal to 670,909,796 years, 15 weeks, 4 days, 4 hours, 52 minutes, 16 seconds.
• To count from 1 to 21,099,844,729,716,736 would take you about two billion, twelve million, seven hundred twenty-nine thousand, three hundred eighty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21099844729716736 cubic inches would be around 23027.4 feet tall.

Recreational maths with 21099844729716736

• 21099844729716736 backwards is 63761792744899012
• The number of decimal digits it has is: 17
• The sum of 21099844729716736's digits is 85
• More coming soon!